Water heater



Feb. 10. 1925,

M. HAUSER WATER HEATER Filed June 18, 1923 5.a mmf-q l /0' Z8 y -nxl o qo e o l TTK NE. y

Patented Feb. 10, 1925.

UNITED STATES MARTIN HAUSER, OF KANSAS CITY, MISSOURI.

WATER- HEATER.

Application led .Tune 18, 1923. Serial No. 646,155.

To all whom t may concern.'

Be it known that I, MARTIN I-IAUsiiR, a citizen of the United States,residing at Kansas City, in the county of Jackson and State of Missouri,have invented certain new and useful Improvements in `Water Heaters; andI do declare the following to be a full, clear, and exact description ofthe invention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to the figures of reference marked thereon,which form a part of this specification.

This invention relates to domestic water heaters, and the primary objectof the invention is to provide a novel, efficient heater for the hotwater boiler. The heater is especially designed to apply to existingtypes of domestic hot water tanks. Ordinarily, the hot water tank isconnected up to a water space adjacent to a cook stove or it may beconnected to the water space of a. coil heater. In the latter instance,the coil is heated by a gas flame. In either event, the products ofcombustion pass out through the chimney or flue while they still containa considerable number of heat units. Therefore, it will be seen thataccording to they present practice, the method of heating the water forthe domestic boiler is not very efficient.

I have provided a casing adapted to surround the domestic boiler withthe wall in operative relation thereto, so that products of combustionmay flow over the entire outer surface of the tank in order that heatunits may be absorbed from the products of combustion for a longerperiod than is possible with existing types of heaters, and so I am ableto conserve the heat which under the present practice would be lost.

In carrying out my invention, I have constructed a casing of novel form,the novelty of which will be clearly apparent by reference to thefollowing description in connection with the accompanying drawings, inwhich:

Fig. 1 is a sectional view through a heater, constructed in accordancewith my invention, the water tank being shown in elevation:

Fig. 2 is a perspective view of the disassociated parts of the heatercasing;

Fig. 3 is a cross sectional view through the heater casing; and.

Fig. l is a detailed view of the joint for connecting two complementarymembers.

Referring now to the drawings by numerals of reference:

1 designates the ordinary domestic hot water tank, supported upon theusual pedestal, 2, the tank having the usual inlet and outlet ports, notshown; beneath the tank, 1, is a heat source, indicated as a horse shoegas burner, 5, supplied from a suitable source with the necessary fueland governed by the valve, 6. The casing surrounding the water tank andin spaced relation thereto consists of two semi-cylindrical members, 7and 8, having inwardly offset edges, 9 and 10, to receive the edges, 11and 12, of complement-ary members, the edges being adapted to befastened by suitable fastening devices, such as bolts, rivets, or thelike. The diameter of the casing formed by the two members, 7 and 8, issomewhatgreater than that of the tank, and on the inner faces of themembers are spacing bracket members, 18, which are. shown as comprisingbars, 14k, having their opposite ends bent inwardly and parallel withthe wall of the tank, as clearly shown in Figs. 1 and 2. The tops of themembers, 7 and 8, are provided with semi-circular anges, 15 and 16,which over lap the top of the tank, 1, so as to close off the space, 17,between the tank and the casing. Near the top of the casing is anoutlet, 18; the bottom of the casing rests upon a base, consisting ofthe two parts, 19 and 20, which are also semi-cylindrical, and which maybe fastened together like the members, 7 and 8. The base is providedwith air inlet holes, 21, and a man hole, 22, is also provided, wherebyaccess can be had to the base, as can be clearly seen by reference toFig. 2. The heat from the burner, 5, can be applied to the bottom of thetank, and the products of combustion will pass along the wall of thetank through the space, 17, and exhaust through the outlet, 18.Therefore, the heat units may be absorbed through the walls of the tank,1, throughout substantially its entire length, so that greaterefficiency may be had than would be possible were the casing omitted.This will be apparent when it is considered that the products ofcombustion pass through an annular space formed by the tank, 1, and thecasing consisting of the members, 7 and 8 lli) In Fig. 4, I have shown aslightly modilied joint :tor fastening the members 7 and 8, together.The joint consists of two interconnected hook shaped edges, 26 and 27.The spacers, 13, are ranged about the middle of the casing, and theyco-operate with the end spacers, 28 and 29, to hold the casing wall inspaced relation with the tank, l. It will be apparent from the foregoingthat an ordinary domestic water tank may be converted into a highlyeficient water heater by applying the device, the subject matter of myinvention.

The casing is preferably lined with as-l besto's, 30, orfsome othersuitable heat insulating material.

While I have specifically described the eX- act details oit constructionof one form of my invention, I do not wish to be limited to the precisedetails shown but reserve the right to make such changes in form,proportions, and minor details of construction as properly come withinthe scope of the appended claim.

mat I claim and desire to secure by Letters-Patent is:

A heater casing for domestic stand boilers comprising a cylinderconsisting of two semi-cylindrical parts `having overlapping edges, oneend oteach part having a semicircular inwardly projecting` flange whichwhen thc two parts are brought together will form a circumferentialring, the edges of which rest upon the top of the stand' boilersurrounding Aavspace to permit the pipe fromvthestandboiler to passthrough and spacingmembers carried by the members tospaceithecylindrieal casing from the boiler.

In testimony 'whereof 'I atlix my signature.

MARTIN HAUSER.

